167 entries under adjective topic. ×

24
level(noun, quiet, direct, smooth)
20
flat(calm, quiet, direct, smooth)
16
even(adverb, calm, quiet, smooth)
15
plane(noun, calm, quiet, direct)
12
smooth(calm, direct, right, flat)
11
recumbent(smooth, flat, low, level)
10
prone(smooth, low, level, down)
10
straight(calm, direct, smooth, right)
9
flush(calm, quiet, direct, smooth)
9
prostrate(smooth, low, level, down)
8
direct(smooth, right, flat, solid)
7
supine(smooth, low, level, down)
6
decumbent(smooth, low, level, down)
6
true(direct, smooth, right, flat)
6
unbroken(calm, quiet, direct, smooth)
6
uniform(calm, quiet, smooth, right)
6
uninterrupted(calm, quiet, direct, smooth)
5
regular(calm, quiet, smooth, right)
4
right(direct, smooth, flat, solid)
4
accumbent(flat, level, plane)
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APASmart Define. (2015). horizontal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/horizontal/thesaurus/synonyms
ChicagoSmart Define. 2015. "horizontal thesaurus" https://smartdefine.org/horizontal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, horizontal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/horizontal/thesaurus/synonyms>.
MLASmart Define. "horizontal thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/horizontal/thesaurus/synonyms>